EP4215157B1 - Kleintiernarkosegasmaske mit integrierter ventilfunktion - Google Patents
Kleintiernarkosegasmaske mit integrierter ventilfunktion Download PDFInfo
- Publication number
- EP4215157B1 EP4215157B1 EP22153270.8A EP22153270A EP4215157B1 EP 4215157 B1 EP4215157 B1 EP 4215157B1 EP 22153270 A EP22153270 A EP 22153270A EP 4215157 B1 EP4215157 B1 EP 4215157B1
- Authority
- EP
- European Patent Office
- Prior art keywords
- mask
- anesthetization
- gas
- mask part
- channels
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Links
- 241001465754 Metazoa Species 0.000 title claims description 49
- 239000007789 gas Substances 0.000 claims description 104
- 230000005540 biological transmission Effects 0.000 claims description 26
- 230000000903 blocking effect Effects 0.000 claims description 22
- 239000002912 waste gas Substances 0.000 claims description 15
- 238000013519 translation Methods 0.000 claims description 6
- 239000013013 elastic material Substances 0.000 claims description 3
- 238000000605 extraction Methods 0.000 description 8
- 241000699666 Mus <mouse, genus> Species 0.000 description 7
- 239000003994 anesthetic gas Substances 0.000 description 7
- 238000011161 development Methods 0.000 description 7
- 230000018109 developmental process Effects 0.000 description 7
- 206010002091 Anaesthesia Diseases 0.000 description 6
- 230000037005 anaesthesia Effects 0.000 description 6
- 241000700159 Rattus Species 0.000 description 5
- 238000007789 sealing Methods 0.000 description 5
- 230000003444 anaesthetic effect Effects 0.000 description 4
- 241000699670 Mus sp. Species 0.000 description 3
- 230000008901 benefit Effects 0.000 description 3
- 238000003384 imaging method Methods 0.000 description 3
- 230000002349 favourable effect Effects 0.000 description 2
- 238000011010 flushing procedure Methods 0.000 description 2
- 238000003780 insertion Methods 0.000 description 2
- 230000037431 insertion Effects 0.000 description 2
- 238000011835 investigation Methods 0.000 description 2
- 239000000203 mixture Substances 0.000 description 2
- 238000012879 PET imaging Methods 0.000 description 1
- 210000001015 abdomen Anatomy 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000001419 dependent effect Effects 0.000 description 1
- 230000001788 irregular Effects 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 239000002516 radical scavenger Substances 0.000 description 1
- 238000011160 research Methods 0.000 description 1
- 230000001624 sedative effect Effects 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 238000012360 testing method Methods 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
Images
Classifications
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
- A61M16/00—Devices for influencing the respiratory system of patients by gas treatment, e.g. mouth-to-mouth respiration; Tracheal tubes
- A61M16/01—Devices for influencing the respiratory system of patients by gas treatment, e.g. mouth-to-mouth respiration; Tracheal tubes specially adapted for anaesthetising
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61D—VETERINARY INSTRUMENTS, IMPLEMENTS, TOOLS, OR METHODS
- A61D7/00—Devices or methods for introducing solid, liquid, or gaseous remedies or other materials into or onto the bodies of animals
- A61D7/04—Devices for anaesthetising animals by gases or vapours; Inhaling devices
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
- A61M16/00—Devices for influencing the respiratory system of patients by gas treatment, e.g. mouth-to-mouth respiration; Tracheal tubes
- A61M16/0087—Environmental safety or protection means, e.g. preventing explosion
- A61M16/009—Removing used or expired gases or anaesthetic vapours
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
- A61M16/00—Devices for influencing the respiratory system of patients by gas treatment, e.g. mouth-to-mouth respiration; Tracheal tubes
- A61M16/06—Respiratory or anaesthetic masks
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
- A61M16/00—Devices for influencing the respiratory system of patients by gas treatment, e.g. mouth-to-mouth respiration; Tracheal tubes
- A61M16/20—Valves specially adapted to medical respiratory devices
- A61M16/201—Controlled valves
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
- A61M39/00—Tubes, tube connectors, tube couplings, valves, access sites or the like, specially adapted for medical use
- A61M39/22—Valves or arrangement of valves
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
- A61M2250/00—Specially adapted for animals
Definitions
- the invention relates to an anesthetization gas mask for a small animal comprising a first mask part providing an inlet for an anesthetization gas, a second mask part for transmitting the anesthetization gas being mechanically connected to the first mask part, wherein the first and the second mask part at least partially define an anesthetization volume for receiving a mouth part of the small animal.
- the present invention relates to the technical field of laboratory support for conducting scientific investigations on living animals.
- the invention contributes as an auxiliary aid for anesthetization of small animals, like e.g. mice and rats, during examinations.
- Reference [1] cited above describes a generic anesthetization gas mask for a small animal.
- a flushing air device is provided for facilitating a gas flow.
- the gas flows from behind the anesthetization gas inlet and passes around the animal's head via a mask and plurality of apertures into a Bernoulli-type orifice being narrow relative to the widest diameter of the mask, via a hollow chamber of a housing, to an outlet and to a gas scavenger located outside the device for conduction the investigation on the animal.
- the inner part of the mask is of conical shape and has a plurality of apertures located in the outer circumference of the mask is to ensure effective flushing of air due to the irregular geometry of the animal's head, and to avoid blocking of air suction by the animal's body parts and fur.
- the new mask system should be easy to use, in particular for rats or mice, and easily to be applied in a wide variety of locations through it is small and compact construction.
- an anesthetization gas mask as defined above in the first paragraph in that the second mask part for transmitting the anesthetization gas is movably connected to the first mask part having the inlet for an anesthetization gas, and in that the anesthetization gas mask is geometrically constructed and configured such that a rotatory or translatory movement of the first mask part from a working position to a blocking position relative to the second mask part blocks the passage of anesthetization gas into the anesthetization volume.
- the anesthesia gas mask according to the invention is adapted for a single mouse or rat:
- a gas mask according to the invention is placed over the nose from the animal, the used gas volume is low and the extraction is always in place.
- anesthetization gas mask according to the present invention is preferably used in devices for preclinical imaging, there are also other possible and useful implementations of the invention in further fields of research.
- the anesthetization gas mask is geometrically constructed and configured such that the movement of the first mask part from the working position to the blocking position relative to the second mask part is a rotation.
- first and second mask parts being translatory moveable relative to each other, the technically easiest solution is a rotational movement.
- the first mask part has a conical or cylindrical end and the second mask part has a conical or cylindrical receptacle for receiving the conical or cylindrical end of the first mask part.
- anesthetization gas mask is geometrically constructed and configured such that the movement of the first mask part from the working position to the blocking position relative to the second mask part is a translation.
- Possible is also a combination of rotation and translation, i.e. helical or spiral screw-thread type of movement.
- first mask part has a cuboid or prism-shaped end and the second mask part has a cuboid or prism-shaped receptacle for receiving the cuboid or prism-shaped end of the first mask part.
- the inlet of the first mask part for the anesthetization gas is divided into several inlet channels and the second mask part has several first transmission channels for transferring the anesthetization gas, the respective channels each forming a common passage in the working position and being blocked against each other in the blocking position.
- the inlet channels and the first transmission channels are arranged in a semicircular shape within the respective mask part.
- Another preferred embodiment of the invention is characterized in that the first mask part has an outlet for waste gas and the second mask part has second transmission channels for transmission of waste gas to the outlet of the first mask part.
- the outlet of the first mask part splits into several outlet channels each forming a common passage together with the respective second transmission channels of the second mask part in the working position as well as in the blocking position.
- outlet of the first mask part splits into several outlet channels each forming a common passage together with the respective second transmission channels of the second mask part in the working position and being blocked against each other in the blocking position.
- outlet channels of the first mask part and the second transmission channels of the second mask part form a circular shape in the respective mask part.
- the anesthetization gas mask comprises a cap-shaped third mask part having an opening for receiving a mouthpart of the small animal and being fixable to the second mask part.
- This third mask part is an optional feature.
- the third mask part can be made of an elastic material, in particular of rubber. So, the rubber cap with a hole to place the nose of the animal in, provides an excellent seal function. However, the mask can work with or without this cap.
- the third mask part has a slanted shape in the area of the opening.
- Comparatively compact and simple embodiments of the anesthetization gas mask according to the present invention are characterized in that the second mask part has an opening for directly receiving a mouth part of the small animal and a slanted shape in the area of that opening.
- the present invention is principally concerned with providing tools for the anesthetization small animals, in particular with the development of an improved gas mask for a small animal.
- Fig. 1a schematically and in a semi-transparent form depicts an anesthetization gas mask 10 for a small animal comprising a first mask part 11 providing an inlet I and an outlet O for an anesthetization gas, a second mask part 12 for transmitting the gas being mechanically connected to the first mask part 11, wherein the first and the second mask part 11, 12 at least partially define an anesthetization volume for receiving a mouth part of the small animal.
- this anesthetization gas mask 10 is characterized in that the second mask part 12 for transmitting the anesthetization gas is movably connected to the first mask part 11 having the inlet I for anesthetization gas, and that the anesthetization gas mask 10 is geometrically constructed and configured such that a movement of the first mask part 11 from a working position to a blocking position relative to the second mask part 12 blocks the passage of anesthetization gas into the anesthetization volume.
- Fig. 1b shows a schematic partial view of a small animal A, in this case particularly a mouse, with its mouthpart inserted in an opening of a cap-shaped third mask part 13 connected to the anesthetization gas mask 10.
- Fig. 1c shows in a side view the transparent embodiment of Fig. 1a .
- This embodiment of the anesthetization gas mask 10 is a three-parted mask with the first, second and third mask parts. There are two separated channels inside the mask 10, one for the supply and one for the extraction from anesthesia mixture gas.
- Fig. 2 depicts the cap-shaped third mask part 13.
- the slanted shaped front face is there to make sure that over the tip of the nose from the mice is a good flow from the gas and oxygenic mixture.
- the cap-like third mask part 13 is made of an elastic material, in particular of rubber, having a sealing function or being accompanied by extra sealing elements. There is an opening 14 to place the nose of the small animal A in and being fixable to the second mask part 12.
- the anesthetization gas mask 10 can work with or without this cap 13. Also without any additional seal, the mask 10 can be used and the gas extraction is still active and accurate.
- Figs. 3a , b show -each in a semi-transparent side view with arrows depicting the flow of anesthetization gas G from the inlet I of the first mask part 11 to the anesthetization volume V and for transmission of exhaust or waste gas W to the outlet O of the first mask part 11- schematic vertical cross sections through embodiments of anesthetization gas mask according to the invention with the first and the second mask parts
- the gas extraction is established for the whole anesthetization volume V in a circular arrangement while the gas insertion is made in an upper part, which is preferred if a small animal A is lying on its back.
- the second mask part 12 is rotated by 180°, the supply of anesthetization gas G is blocked, but the extraction is still active.
- easy blocking is favorable when the mask is not in use.
- the second part 12 of the mask 10 has a slanted structure to better fit the pointed shape of a small animal mouth.
- the first mask part 11 has a conical end and the second mask part 12 has a conical receptacle for receiving the conical end of the first mask part 11.
- the first mask part may as well have a cylindrical end and the second mask part a cylindrical receptacle. Both embodiments allow a rotation of the first mask part with respect to the second mask part.
- FIG. 4a to 4d show an embodiment of the invention, where the anesthetization gas mask 10 is geometrically constructed and configured such that the movement of the first mask part 11 from the working position to the blocking position relative to the second mask part 12 is a rotation.
- FIG. 4a shows the mask completely
- Fig. 4b is depicting the mask partially dismantled and Figs. 4c,d show a completely exposed interior part of the mask, namely Fig. 4c in a "closed” position and Fig. 4d in an "open” position of the first and second mask parts relative to each other.
- the inlet I of the first mask part 11 for the anesthetization gas G is divided into several inlet channels 11i and the second mask part 12 has several first transmission channels 12i for transferring the anesthetization gas G, the respective channels 11i; 12i each forming a common passage in the working position and being blocked against each other in the blocking position.
- the inlet channels 11i and the first transmission channels 12i are arranged in a semicircular shape within the respective mask part 11; 12.
- Second transmission channels 12o are provided for transmission of waste gas W to the outlet O of the first mask part 11.
- the outlet channels 11o of the first mask part 11 and the second transmission channels 12o of the second mask part 12 form a circular shape in the respective mask part.
- the outlet O of the first mask part 11 splits into several outlet channels 11o each forming a common passage together with the respective second transmission channels 12o of the second mask part 12 in the working position and being blocked against each other in the blocking position, in some embodiments also in the blocking position itself.
- FIGs. 5a , b schematically depict the flow paths of anesthetization gas G and waste gas W through an embodiment of the anesthetization gas mask 10 with translational relative movement of the first mask part 11 and the second mask part 12 in
- sealing rings 15 are provided around the first mask part 11.
- the first mask part 11 has a cuboid or prism-shaped end and the second mask part 12 has a cuboid or prism-shaped receptacle for receiving the cuboid or prism-shaped end of the first mask part 11.
- Fig. 6 shows a schematic vertical cross section through an alternative embodiment of the invention, where the anesthetization gas mask 10 is geometrically constructed and configured such that the movement of the first mask part 11 from the working position to the blocking position ("closed") relative to the second mask part 12 blocks only the anesthetization gas G. Waste gas W is still transmitted to the outlet.
- Fig. 7 shows the anesthetization mask 10 coupled to a small animal bed 16.
- a small animal bed 16 Such beds are e.g. used in MR, CT, PET imaging systems.
- the small animal A as typical for such imaging applications is laying on its back with its nose pointing into the anesthetization mask 10, thereby forming a right angle with the slanted surface of the mask.
- the slanted front of the second mask part (indicated by a first dotted line) avoids the neck of the animal to be bent over when inserted into the mask. This is true for the small animal lying either on back or on belly. Thus, having a slanted surface, the mask will better fit onto the animal's nose.
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- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Veterinary Medicine (AREA)
- Anesthesiology (AREA)
- Engineering & Computer Science (AREA)
- Animal Behavior & Ethology (AREA)
- Public Health (AREA)
- General Health & Medical Sciences (AREA)
- Heart & Thoracic Surgery (AREA)
- Biomedical Technology (AREA)
- Hematology (AREA)
- Pulmonology (AREA)
- Emergency Medicine (AREA)
- Wood Science & Technology (AREA)
- Zoology (AREA)
- Biodiversity & Conservation Biology (AREA)
- Ecology (AREA)
- Environmental & Geological Engineering (AREA)
- Environmental Sciences (AREA)
- Respiratory Apparatuses And Protective Means (AREA)
- Housing For Livestock And Birds (AREA)
Claims (15)
- Betäubungs-Gasmaske (10) für ein Kleintier (A), umfassendeinen ersten Maskenteil (11), der einen Einlass (I) für ein Betäubungsgas (G) bereitstellt,einen zweiten Maskenteil (12) zur Übertragung des Betäubungsgases (G), der mechanisch mit dem ersten Maskenteil (11) verbunden ist,wobei der erste und der zweite Maskenteil (11, 12) zumindest teilweise ein Betäubungsvolumen (V) zur Aufnahme eines Mundteils des Kleintieres (A) definieren,dadurch gekennzeichnet,dass der zweite Maskenteil (12) zum Übertragen des Betäubungsgases (G) beweglich mit dem ersten Maskenteil (11) verbunden ist, der den Einlass (I) für ein Betäubungsgas (G) aufweist,und dass die Betäubungs-Gasmaske (10) geometrisch so aufgebaut und gestaltet ist, dass eine Bewegung des ersten Maskenteils (11) aus einer Arbeitsposition in eine Blockier-Position relativ zu dem zweiten Maskenteil (12) den Durchgang von Betäubungsgas (G) in das Betäubungsvolumen (V) blockiert.
- Betäubungs-Gasmaske nach Anspruch 1, dadurch gekennzeichnet, dass die Betäubungs-Gasmaske (10) geometrisch so aufgebaut und gestaltet ist, dass die Bewegung des ersten Maskenteils (11) aus der Arbeitsposition in die Blockier-Position relativ zum zweiten Maskenteil (12) eine Drehbewegung ist.
- Betäubungs-Gasmaske nach Anspruch 2, dadurch gekennzeichnet, dass der erste Maskenteil (11) ein konisches oder zylindrisches Ende aufweist und der zweite Maskenteil (12) eine konische oder zylindrische Aufnahme zum Aufnehmen des konischen oder zylindrischen Endes des ersten Maskenteils (11) aufweist.
- Betäubungs-Gasmaske nach Anspruch 1 oder 2, dadurch gekennzeichnet, dass die Betäubungs-Gasmaske (10) geometrisch so aufgebaut und gestaltet ist, dass die Bewegung des ersten Maskenteils (11) aus der Arbeitsposition in die Blockier-Position relativ zum zweiten Maskenteil (12) eine Translationsbewegung ist.
- Betäubungs-Gasmaske nach Anspruch 4, dadurch gekennzeichnet, dass der erste Maskenteil (11) ein quader- oder prismenförmiges Ende aufweist und der zweite Maskenteil (12) eine quader- oder prismenförmige Aufnahme zum Aufnehmen des quader- oder prismenförmigen Endes des ersten Maskenteils (11) aufweist.
- Betäubungs-Gasmaske nach einem der vorhergehenden Ansprüche, dadurch gekennzeichnet, dass der Einlass (I) des ersten Maskenteils (11) für das Betäubungsgas (G) in mehrere Einlasskanäle (11i) unterteilt ist und der zweite Maskenteil (12) mehrere erste Übertragungskanäle (12i) zum Übertragen des Betäubungsgases (G) aufweist, wobei die jeweiligen Kanäle (11i; 12i) in der Arbeitsposition jeweils einen gemeinsamen Durchgang bilden und in der Blockier-Position gegeneinander blockiert sind.
- Betäubungs-Gasmaske nach einem der Ansprüche 2 oder 3 und nach Anspruch 6, dadurch gekennzeichnet, dass die Einlasskanäle (11i) und die ersten Übertragungskanäle (12i) innerhalb des jeweiligen Maskenteils (11; 12) halbkreisförmig angeordnet sind.
- Betäubungs-Gasmaske nach einem der vorhergehenden Ansprüche, dadurch gekennzeichnet, dass der erste Maskenteil (11) einen Auslass (O) für Abgas (W) aufweist und der zweite Maskenteil (12) zweite Übertragungskanäle (12o) zur Übertragung von Abgas (W) zum Auslass (O) des ersten Maskenteils (11) aufweist.
- Betäubungs-Gasmaske nach Anspruch 8, dadurch gekennzeichnet, dass sich der Auslass (O) des ersten Maskenteils (11) in mehrere Auslasskanäle (11o) aufteilt, die jeweils zusammen mit den jeweiligen zweiten Übertragungskanälen (12o) des zweiten Maskenteils (12) sowohl in der Arbeitsposition als auch in der Blockier-Position einen gemeinsamen Durchgang bilden.
- Betäubungs-Gasmaske nach Anspruch 8, dadurch gekennzeichnet, dass sich der Auslass (O) des ersten Maskenteils (11) in der Arbeitsposition in mehrere Auslasskanäle (11o) aufteilt, die jeweils zusammen mit den jeweiligen zweiten Übertragungskanälen (12o) des zweiten Maskenteils (12) einen gemeinsamen Durchgang bilden und in der Blockier-Position gegeneinander blockiert sind.
- Betäubungs-Gasmaske nach Anspruch 9 oder 10, dadurch gekennzeichnet, dass die Auslasskanäle (11o) des ersten Maskenteils (11) und die zweiten Übertragungskanäle (12o) des zweiten Maskenteils (12) im jeweiligen Maskenteil eine Kreisform bilden.
- Betäubungs-Gasmaske nach einem der vorhergehenden Ansprüche, dadurch gekennzeichnet, dass die Betäubungs-Gasmaske (10) einen dritten Maskenteil (13) umfasst, der eine Öffnung (14) zur Aufnahme eines Mundteils des Kleintieres (A) aufweist und an dem zweiten Maskenteil (12) fixierbar ist.
- Betäubungs-Gasmaske nach Anspruch 12, dadurch gekennzeichnet, dass der dritte Maskenteil (13) aus einem elastischen Material, insbesondere aus Gummi, hergestellt ist.
- Betäubungs-Gasmaske nach Anspruch 12 oder 13, dadurch gekennzeichnet, dass der dritte Maskenteil (13) im Bereich der Öffnung (14) eine abgeschrägte Form hat.
- Betäubungs-Gasmaske nach einem der vorhergehenden Ansprüche, dadurch gekennzeichnet, dass der zweite Maskenteil (12) eine Öffnung zur direkten Aufnahme eines Mundteils des Kleintieres (A) aufweist und im Bereich dieser Öffnung eine abgeschrägte Form hat.
Priority Applications (4)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
EP22153270.8A EP4215157B1 (de) | 2022-01-25 | 2022-01-25 | Kleintiernarkosegasmaske mit integrierter ventilfunktion |
ES22153270T ES2972177T3 (es) | 2022-01-25 | 2022-01-25 | Máscara de gas para anestesia para animales de pequeño tamaño con función de válvula integrada |
CN202310091693.9A CN116492103A (zh) | 2022-01-25 | 2023-01-18 | 具有集成阀功能的小型动物麻醉气体面罩 |
US18/158,456 US20230233306A1 (en) | 2022-01-25 | 2023-01-23 | Small animal anesthetization gas mask with integrated valve function |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
EP22153270.8A EP4215157B1 (de) | 2022-01-25 | 2022-01-25 | Kleintiernarkosegasmaske mit integrierter ventilfunktion |
Publications (2)
Publication Number | Publication Date |
---|---|
EP4215157A1 EP4215157A1 (de) | 2023-07-26 |
EP4215157B1 true EP4215157B1 (de) | 2024-01-24 |
Family
ID=80034785
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP22153270.8A Active EP4215157B1 (de) | 2022-01-25 | 2022-01-25 | Kleintiernarkosegasmaske mit integrierter ventilfunktion |
Country Status (4)
Country | Link |
---|---|
US (1) | US20230233306A1 (de) |
EP (1) | EP4215157B1 (de) |
CN (1) | CN116492103A (de) |
ES (1) | ES2972177T3 (de) |
Family Cites Families (18)
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US955121A (en) * | 1909-06-01 | 1910-04-12 | Charles A Hollett | Apparatus for administering anesthetics. |
US2990838A (en) * | 1959-01-07 | 1961-07-04 | Edward C Sweeney | Resuscitation device |
US3505998A (en) * | 1967-09-29 | 1970-04-14 | Us Air Force | Combined canine oxygen mask with harness |
US4520808A (en) * | 1983-03-10 | 1985-06-04 | Stauffer Chemical Company | Inhalation exposure apparatus |
US4896666A (en) * | 1985-01-03 | 1990-01-30 | Hinkle Allen J | Face mask assembly and pacifier |
US4770169A (en) * | 1987-02-13 | 1988-09-13 | Mdt Diagnostic Company | Anaesthetic mask |
US6349725B1 (en) * | 1999-12-21 | 2002-02-26 | Genesis Medical Technologies, Llc | Anesthesia mask for animals |
CH696184A5 (de) * | 2002-01-30 | 2007-02-15 | Vet Bernhard Walker Dr Med | Tieranästhesiemaske. |
JP4885102B2 (ja) * | 2007-09-28 | 2012-02-29 | 富士フイルム株式会社 | ノーズマスク |
US9446212B2 (en) * | 2009-08-03 | 2016-09-20 | Colin Dunlop | Method and apparatus for delivering a fluid to a patient |
DE202011050130U1 (de) | 2010-09-27 | 2011-08-01 | Aspect Magnet Technologies Ltd. | Maske für analysierte Säugetiere |
US20210113317A1 (en) * | 2019-10-17 | 2021-04-22 | William L. Connelly | Veterinary anesthesia induction nose cone assembly |
CN211561490U (zh) * | 2020-02-01 | 2020-09-25 | 邛崃市医疗中心医院 | 一种具有加温加湿作用的吸氧面罩 |
CN111228625A (zh) * | 2020-02-29 | 2020-06-05 | 李庆磊 | 一种麻醉科用自动化麻醉装置 |
CN213077081U (zh) * | 2020-05-13 | 2021-04-30 | 深圳厚存纳米药业有限公司 | 一种动物麻醉装置 |
CN112891014B (zh) * | 2021-01-18 | 2022-05-06 | 辽宁中医药大学 | 一种实验动物用吸入式麻醉装置 |
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2022
- 2022-01-25 EP EP22153270.8A patent/EP4215157B1/de active Active
- 2022-01-25 ES ES22153270T patent/ES2972177T3/es active Active
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2023
- 2023-01-18 CN CN202310091693.9A patent/CN116492103A/zh active Pending
- 2023-01-23 US US18/158,456 patent/US20230233306A1/en active Pending
Also Published As
Publication number | Publication date |
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CN116492103A (zh) | 2023-07-28 |
ES2972177T3 (es) | 2024-06-11 |
US20230233306A1 (en) | 2023-07-27 |
EP4215157A1 (de) | 2023-07-26 |
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